Vitamin C
Vitamin C derivatives: what is Ethyl Ascorbic Acid and how does it differ from ascorbic acid?
What is Ethyl Ascorbic Acid, and how does it differ from pure ascorbic acid? Covering the vitamin C derivative in four s'hevec products, its…
Guide · 80 articles
Skincare Guide
Referenced articles on skin types, ingredients and routine order. Product information comes from the s'hevec product data library.
All articles
80 articles · Page 5/7
Exfoliation
What causes blackheads, and how can you reduce their appearance?
A blackhead is a plug at the pore opening that stays open to the surface and looks dark; the lighter dots lined up on…
Exfoliation
The difference between AHA and BHA: which acid for which skin?
AHAs work mainly on the skin's surface, BHA in the pores. A decision table by concern and skin type, the rule on using both…
Exfoliation
Why do pores get larger, and can they shrink? Causes and care steps
Why pores get larger and whether they can shrink or close. This guide covers care steps by cause, how to choose between a toner…
Exfoliation
What is salicylic acid? How BHA works inside the pore
How does salicylic acid work in the pore opening, why is it called BHA, and who should take care? Plus its role in Slyc-Alright,…
Skin Type
How to tell your skin type at home: oily, dry, combination and sensitive
How to observe your skin type at home by waiting after cleansing, the difference between dry and dehydrated skin, and where to start with…
Exfoliation
What is glycolic acid and what does it do? The smallest molecule in the AHA family
What glycolic acid is, how it works on the skin, why concentration and pH are read together and how long sun sensitivity lasts, along…
Sun Protection
Skincare routine order: the right morning and evening sequence, step by step
The right order for morning and evening skincare steps, which serum goes first when you use two, and tables showing where s'hevec products fit…
Pores
What is niacinamide and what does it do? How it works and which products contain it
What niacinamide is, how it works on the skin and whether it has side effects, with the niacinamide concentrations in s'hevec products in a…
Sun Protection
How to use a sunscreen stick: reapplying, amount and storage
How does a sunscreen stick differ from a cream, how do you apply enough, what should you look for on the label and how…
Skin Type
How to choose a sunscreen for oily skin: Matte's Up? and a matte finish
Does sunscreen make oily skin shiny, and on combination skin does it go only on the T-zone? What to look for on oily skin,…
Sun Protection
How to use a pink sunscreen under make-up: a Crush On Pink guide
In what order and how much Crush On Pink to apply under make-up, and whether it replaces foundation. An order table and its place…